Bell and spigot of corrugated pipe

Abstract

1. The name of the design product: socket and spigot of corrugated pipe (two). 2. The use of the design product: used for cable or sewage, local use is used for pipe butt joint. 3. The design points of the design product: in shape. 4. The picture or photo that can best show the design points: design 1 perspective view 1. 5. Design 1 is designated as the basic design. 6. Other circumstances that need to be explained: this design is a partial design. The red area in the figure is not protected and is a product of indefinite length.

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